Soroprevalence of bovine alphaherpesvirus type 1 (BoHV-1) and risk factors associated with dairy properties of the municipality of Senador Guiomard, Acre, Brazil

Arquivos do Instituto Biologico Pub Date : 2019-01-01 DOI:10.1590/1808-1657001362018

Eder Ferreira de Arruda, Tamyres Izarelly Barbosa da Silva, B. B. Aragão, R. S. de Castro, Yuri Almeida Gomes

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引用次数: 1

Abstract

ABSTRACT Bovine alphaherpesvirus type 1 (BoHV-1) is the etiological agent responsible for serious infections that compromise the respiratory and genital tracts of affected cattle. In order to estimate the seroprevalence of BoHV-1 and to identify the associated risk factors in dairy farms in the city of Senador Guiomard, Acre, Brazil, the present study was carried out through the analysis of 180 blood serum samples submitted to the screening of anti-BoHV-1 by the virus neutralization test (VN) and by means of the evaluation of the epidemiological questionnaire applied in the eight investigated properties. The prevalence of seropositivity for BoHV-1 was 61.1%, ranging from 43.3 to 86.2% among the analyzed properties. The variable absence of veterinary assistance showed statistically significant association (odds ratio — OR = 2.10; p < 0.001) with alphaherpesvirus infection. The results demonstrate that the frequency of BoHV-1 is high and needs to be controlled through prophylactic and health management measures.

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巴西阿克里市Senador Guiomard市1型牛甲疱疹病毒(BoHV-1)的流行率和与乳制品特性相关的危险因素

牛甲疱疹病毒1型(BoHV-1)是导致牛呼吸道和生殖道严重感染的病原。为了估计BoHV-1在巴西阿克市Senador Guiomard市奶牛场的血清流行率并确定相关危险因素，本研究通过对提交的180份血清样本进行病毒中和试验(VN)抗BoHV-1筛查，并通过对8个调查属性应用的流行病学问卷进行评估。BoHV-1血清阳性检出率为61.1%，阳性率为43.3 ~ 86.2%。缺乏兽医援助的变量显示有统计学意义的相关性(优势比- OR = 2.10;P < 0.001)。结果表明，BoHV-1感染率较高，需要通过预防和卫生管理措施加以控制。

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Arquivos do Instituto Biologico

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48 weeks